﻿#region Header
// Copyright 2007-2011, Jerónimo Milea
// 
// This file is part of NetJsWire.
// 
//     NetJsWire is free software: you can redistribute it and/or modify
//     it under the terms of the GNU General Public License as published by
//     the Free Software Foundation, either version 3 of the License, or
//     (at your option) any later version.
// 
//     NetJsWire is distributed in the hope that it will be useful,
//     but WITHOUT ANY WARRANTY; without even the implied warranty of
//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//     GNU General Public License for more details.
// 
//     You should have received a copy of the GNU General Public License
//     along with NetJsWire.  If not, see <http://www.gnu.org/licenses/>.
#endregion

using System;
using System.ComponentModel;

namespace NetJsWire.Widgets.Config
{
    ///<summary>
    ///  A basic TypeDescriptor to remove unused propertys from derived classes.
    ///</summary>
    public class ConfigOptionsPropertys : CustomTypeDescriptor
    {
        /// <summary>
        ///   Returns the properties for this instance of a component.
        /// </summary>
        /// <returns>
        ///   A <see cref = "T:System.ComponentModel.PropertyDescriptorCollection" /> that represents the properties for this component instance.
        /// </returns>
        public override PropertyDescriptorCollection GetProperties()
        {
            return GetProperties( null );
        }

        /// <summary>
        ///   Returns the properties for this instance of a component using the attribute array as a filter.
        /// </summary>
        /// <returns>
        ///   A <see cref = "T:System.ComponentModel.PropertyDescriptorCollection" /> that represents the filtered properties for this component instance.
        /// </returns>
        /// <param name = "attributes">An array of type <see cref = "T:System.Attribute" /> that is used as a filter. 
        /// </param>
        public override PropertyDescriptorCollection GetProperties( Attribute[] attributes )
        {
            var filtering = ( attributes != null && attributes.Length > 0 );
            var props = new PropertyDescriptorCollection( null );
            foreach ( PropertyDescriptor prop in TypeDescriptor.GetProperties( this, attributes, true ) )
            {
                var cn = GetClassName();

                if ( prop.IsBrowsable )
                {
                    props.Add( prop );
                }
            }

            return props;
        }

        public override string GetClassName()
        {
            return "ConfigOptions";
        }
    }
}
